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7226130432 = 2173172347
BaseRepresentation
bin1101011101011011…
…00000000000000000
3200122121020110102110
412232231200000000
5104244342133212
63153013015320
7344033044443
oct65655400000
920577213373
107226130432
113078a64824
121498024540
138b210bb31
144c79c165a
152c45d5a3c
hex1aeb60000

7226130432 has 288 divisors, whose sum is σ = 21743188992. Its totient is φ = 2122317824.

The previous prime is 7226130413. The next prime is 7226130463. The reversal of 7226130432 is 2340316227.

It is a super-2 number, since 2×72261304322 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7226130432.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153747433 + ... + 153747479.

It is an arithmetic number, because the mean of its divisors is an integer number (75497184).

Almost surely, 27226130432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7226130432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10871594496).

7226130432 is an abundant number, since it is smaller than the sum of its proper divisors (14517058560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7226130432 is an equidigital number, since it uses as much as digits as its factorization.

7226130432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 7226130432 is about 85006.6493399193. The cubic root of 7226130432 is about 1933.3119355011.

Adding to 7226130432 its reverse (2340316227), we get a palindrome (9566446659).

The spelling of 7226130432 in words is "seven billion, two hundred twenty-six million, one hundred thirty thousand, four hundred thirty-two".